CN103495832A - Assembly-free and disassembly-free maintaining method and device for lower cone roller of ring rolling machine - Google Patents
Assembly-free and disassembly-free maintaining method and device for lower cone roller of ring rolling machine Download PDFInfo
- Publication number
- CN103495832A CN103495832A CN201310440468.8A CN201310440468A CN103495832A CN 103495832 A CN103495832 A CN 103495832A CN 201310440468 A CN201310440468 A CN 201310440468A CN 103495832 A CN103495832 A CN 103495832A
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- China
- Prior art keywords
- cone roller
- lower cone
- ring rolling
- rolling machine
- welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
- B23K9/044—Built-up welding on three-dimensional surfaces
- B23K9/046—Built-up welding on three-dimensional surfaces on surfaces of revolution
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/18—Submerged-arc welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses an assembly-free and disassembly-free maintaining method and device for a lower cone roller of a ring rolling machine. According to the technical scheme, the method comprises the following steps that 1) a larger chain wheel is arranged at the tail portion of the lower cone roller, a small chain wheel is arranged at the output end of a reducer, the reducer is fixed on a reducer base, a motor is fixed on a motor base, a chain is arranged on the large chain wheel and the small chain wheel, and the motor drives the small chain wheel, the chain and the large chain wheel to rotate through the reducer, and drives the lower cone roller to rotate with power; 2) submerged-arc welding is conducted; 3) after bead welding is conducted, high points are grinded through a polishing machine, and the appearance of the surface of the whole lower cone roller is smooth. The maintaining method has the advantages that time and labor do not need to be consumed for disassembling the cone roller, and the requirement for maintaining can be met on a machine tool; maintenance will not affect normal use of the ring rolling machine, the structure is simple, and practicality is achieved; maintaining cost is greatly saved, and normal production of ring parts is guaranteed; rotating speed of the motor is controlled through a frequency converter, and linear speeds of all points are basically equal when the cone roller rotates.
Description
Technical field
The invention belongs to the main manufacturing technology field that forging is produced, especially relate to method for maintaining and device that cone roller under a kind of Ring Rolling Machine of large-sized annular forging milling ring technological process is exempted from dismounting.
Background technology
Wind-power electricity generation is because technology in the renewable energy source domain is relatively ripe, with low cost, and effectively reduced the discharge of carbon dioxide, therefore, obtained development rapidly in the whole world, the phenomenon that supply falls short of demand has appearred in wind power equipment, and wherein, wind power tower accounts for 15% of total cost in the complete machine manufacture, and the wind power tower flange is one of crucial component part in wind power technology equipment, therefore how to reduce parts production cost, improve parts quality significant for enterprise.In prior art, what the processing of wind power tower flange adopted is to forge rolling ring processing, and milling ring technological process is the main manufacturing process that the large-sized annular forging is produced, and because its precision is high, save material, production efficiency is high, is used widely.3 meters Ring Rolling Machines, 5 meters Ring Rolling Machines, 7 meters Ring Rolling Machines, 8 meters Ring Rolling Machines are equipped with according to the size of annular forging piece.Milling ring technological process is that the ring blank be heated to more than 1200 ℃ is enclosed within on the core roller, under the acting in conjunction of cone roller, home roll, core roller, makes the reduction of blank height, diameter constantly enlarge, until meet the requirements of size.Because environment for use is severe, the often wearing and tearing of cone roller surface, after serious wear, the final forming dimension of workpiece is difficult to assurance, and ovality is overproof serious, for guaranteeing the dimensional accuracy of milling ring technological process, must regularly to the cone roller, be keeped in repair.Maintenance cone roller is a very loaded down with trivial details job, need a large amount of manpower and materials, and maintenance cycle is very long, and the 8 meters Ring Rolling Machines of take are example, and maintenance once needs the time about 10 days.Because, lower cone roller self is heavier, during maintenance, must unload lower cone roller down from cone axis, so need use hanging device, because center line and the horizontal plane of lower cone roller has angle, need several staff to cooperatively interact during installation and could install correctly, give maintenance and install and brought inconvenience, and cost is high, efficiency is low.This is the deficiencies in the prior art parts.
Summary of the invention
The object of the invention is to, overcome the deficiencies in the prior art, provide a kind of simple in structure, for the regular maintenance to lower cone roller and finishing, and under a kind of Ring Rolling Machine that efficiency is high, cost is low, the cone roller is exempted from method for maintaining and the device of dismounting.
For solving the problems of the technologies described above, technical scheme of the present invention is: under a kind of Ring Rolling Machine, the cone roller is exempted from the method for maintaining of dismounting, and it is characterized in that: it is as follows that described lower cone roller is exempted from dismounting method for maintaining step;
1) at the afterbody of described lower cone roller, hinge wheel is installed, the reductor output is installed minor sprocket, reductor is fixed on the reductor support, motor is fixed on motor cabinet, by on described hinge wheel, minor sprocket, chain being installed, described motor drives described minor sprocket, chain, hinge wheel rotation by described reductor, with power, drives described lower cone roller rotation;
2) by the mode of submerged arc welding, the built-up welding heat-resisting allay material is carried out in described lower cone roller surface, in described lower cone roller rotation, carry out submerged arc welding;
3) after built-up welding, described lower cone roller need be removed surperficial solder flux, checks the surface quality after described lower cone roller welds, and with the high point of sanding machine reconditioning, makes whole described lower cone roller appearance smooth.
After maintenance is over, chain is pulled down, the ring rolls normal operation, removed the trouble of cone roller under the dismounting from, and easy to maintenance convenient, maintenance cycle foreshortens to 2 days.Greatly save maintenance cost, guaranteed the normal production of ring.
Further improvement of the present invention has, the submerged arc welding step:
(, must not there be rusty stain, water stain, greasy dirt etc. in 1 cleaning described lower cone roller surface;
(2, the little guide rail of welding machine is placed on the Ring Rolling Machine supporting plate, adjust the little guide rail of described welding machine and make it parallel with described lower cone roll axis;
(3, described welding machine is placed on the little guide rail of described welding machine, then welding gun is adjusted to vertical with lower cone roll surface;
(4, adjust welding parameter: electric current 450A, voltage 32V, wire feed rate 500mm/min;
(5, start welding, constantly add the protection solder flux in welding process.
Further improvement of the present invention also has, and for cone roller under a kind of Ring Rolling Machine of implementing above-mentioned method for maintaining, exempts from the dismounting maintenance unit, includes Ring Rolling Machine, lower cone roller, it is characterized in that: the actuating unit that described lower cone roller is set at the afterbody of described lower cone roller.Instantly after boring in the roller use procedure and wearing and tearing occurring, without wasting time and energy, cone roller is pulled down, just can be realized the requirement of keeping in repair on lathe.
Further improvement of the present invention also has, and described actuating unit is by being arranged on hinge wheel on described lower cone roller, forming by the minor sprocket of chain drive, reductor, the motor be connected successively with described minor sprocket.
Further improvement of the present invention also has, and described hinge wheel is fixedly connected with the afterbody of described lower cone roller.
Further improvement of the present invention also has, and described minor sprocket is fixedly connected with the power output shaft of described reductor, and the power shaft of described reductor is fixedly connected with by shaft coupling with the output shaft of described motor.
Further improvement of the present invention also has, and described reductor is fixed on the reductor support, and described motor is fixed on motor cabinet.
Further improvement of the present invention also has, and the rotating ratio of described reductor is 100.
Further improvement of the present invention also has, and the rotating ratio of described minor sprocket, hinge wheel is 55:19.
Further improvement of the present invention also has, and on described motor, frequency converter is set, and adjusts the rotary speed of lower cone roller.When frequency converter guarantees the rotation of cone roller, the linear velocity of each point is basic identical.
In specification, do not have the structure of describing to belong to prior art.
The beneficial effect of this programme can be learnt according to the narration to such scheme, the invention has the beneficial effects as follows: 1) the invention discloses under a kind of Ring Rolling Machine and bore method for maintaining and the device that roller is exempted from dismounting, this invention relates to when the lower cone roller of ring rolls after long-term use wearing and tearing, without wasting time and energy, the cone roller is pulled down, just can be realized the requirement of maintenance on lathe;
2) after maintenance is over, chain is pulled down, do not affected the normal use of ring rolls, and simple and practical;
3) removed the trouble of cone roller under the dismounting from, easy to maintenance convenient, maintenance cycle foreshortens to 2 days.Greatly save maintenance cost, guaranteed the normal production of ring;
4) with the rotating speed of Frequency Converter Control motor, while guaranteeing the rotation of cone roller, the linear velocity of each point is basic identical, has guaranteed the built-up welding heat-resisting allay material uniformity on time cone roller surface, lower cone roller the is met requirement of processing ring.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention, and Fig. 2 is the structural representation of ring rolls, and Fig. 3 is the top view of Fig. 2.In figure: the 1st, motor, the 2nd, motor cabinet, the 3rd, reductor support, the 4th, hinge wheel, the 5th, lower cone roller, the 6th, reductor, the 7th, minor sprocket, the 8th, chain, the 9th, epicone roller, the 10th, the ring of processing, the 11st, core roller, the 12nd, main rod, the 13rd, embrace roller, the 14th, carrying roller, the 15th, supporting plate, the 16th, welding machine, the 17th, the little guide rail of welding machine, the 18th, frequency converter.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, by accompanying drawing, can find out, under a kind of Ring Rolling Machine the invention discloses, the cone roller is exempted from method for maintaining and the device of dismounting, when the lower cone roller of ring rolls after long-term use wearing and tearing, without wasting time and energy, the cone roller is pulled down, just can be realized the requirement of maintenance on lathe.Key step is as follows:
1) at the afterbody of lower cone roller 5, hinge wheel 4 is installed, reductor 6 is fixed on reductor support 3, motor 1 is fixed on motor cabinet 2, by chain 8 is installed on hinge wheel 4, minor sprocket 7, motor 1 drives minor sprocket 7, chain 8, hinge wheel 4 rotations by reductor 6, with power, drives described lower cone roller 5 rotations;
2) by the mode of submerged arc welding, the built-up welding heat-resisting allay material is carried out in lower cone roller 5 surfaces, in lower cone roller 5 rotations, carries out submerged arc welding,
3) after built-up welding, lower cone roller 5 need be removed surperficial solder flux, checks the surface quality after lower cone roller 5 welds, and with the high point of sanding machine reconditioning, makes whole lower cone roller 5 appearances smooth.
The submerged arc welding step:
(, must not there be rusty stain, water stain, greasy dirt etc. in the lower cone of 1 cleaning roller 5 surfaces;
(2, the little guide rail 17 of welding machine is placed on the Ring Rolling Machine supporting plate 15, adjust the little guide rail 17 of welding machine and make it parallel with lower cone roller 5 axis;
(3, welding machine 16 is placed on the little guide rail 17 of welding machine, then welding gun is adjusted to vertical with lower cone roller 5 planes;
(4, adjust welding parameter: electric current 450A, voltage 32V, wire feed rate 500mm/min;
(5, start welding, constantly add the protection solder flux in welding process.
Under a kind of Ring Rolling Machine of above-mentioned method for maintaining, the cone roller is exempted from the dismounting maintenance unit, includes Ring Rolling Machine, lower cone roller 5, and the actuating unit of lower cone roller 5 is set at the afterbody of lower cone roller 5.
Actuating unit forms by being arranged on the hinge wheel 4 on lower cone roller 5, the minor sprocket 7 by chain 8 transmissions, the reductor 6 be connected successively with minor sprocket 7, motor 1.
Hinge wheel 4 is fixedly connected with the afterbody of lower cone roller 5.
The rotating ratio of this reductor 6 is 100.The model ZSY-180 that reductor 6 is selected.
The rotating ratio of this minor sprocket 7, hinge wheel 4 is 55:19.
Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention also is not limited only to above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also belong to protection scope of the present invention.
Claims (10)
1. bore the method for maintaining that roller is exempted from dismounting under a Ring Rolling Machine, it is characterized in that: it is as follows that described lower cone roller is exempted from dismounting method for maintaining step;
1) at the afterbody of described lower cone roller, hinge wheel is installed, the reductor output is installed minor sprocket, reductor is fixed on the reductor support, motor is fixed on motor cabinet, by on described hinge wheel, minor sprocket, chain being installed, described motor drives described minor sprocket, chain, hinge wheel rotation by described reductor, with power, drives described lower cone roller rotation;
2) by the mode of submerged arc welding, the built-up welding heat-resisting allay material is carried out in described lower cone roller surface, in described lower cone roller rotation, carry out submerged arc welding;
3) after built-up welding, described lower cone roller need be removed surperficial solder flux, checks the surface quality after described lower cone roller welds, and with the high point of sanding machine reconditioning, makes whole described lower cone roller appearance smooth.
2. bore the method for maintaining that roller is exempted from dismounting under a kind of Ring Rolling Machine according to claim 1, it is characterized in that: the submerged arc welding step:
(, must not there be rusty stain, water stain, greasy dirt etc. in 1 cleaning described lower cone roller surface;
(2, the little guide rail of welding machine is placed on the Ring Rolling Machine supporting plate, adjust the little guide rail of described welding machine and make it parallel with described lower cone roll axis;
(3, described welding machine is placed on the little guide rail of described welding machine, then welding gun is adjusted to vertical with lower cone roll surface;
(4, adjust welding parameter: electric current 450A, voltage 32V, wire feed rate 500mm/min;
(5, start welding, constantly add the protection solder flux in welding process.
For implementing the claims 1,2, the cone roller is exempted from the dismounting maintenance unit under a kind of Ring Rolling Machine of described method for maintaining, includes Ring Rolling Machine, lower cone roller, it is characterized in that: the actuating unit that described lower cone roller is set at the afterbody of described lower cone roller.
4. under a kind of Ring Rolling Machine according to claim 3, the cone roller is exempted from the dismounting maintenance unit, it is characterized in that: described actuating unit is by being arranged on hinge wheel on described lower cone roller, forming by the minor sprocket of chain drive, reductor, the motor be connected successively with described minor sprocket.
5. under a kind of Ring Rolling Machine according to claim 4, the cone roller is exempted from the dismounting maintenance unit, and it is characterized in that: described hinge wheel is fixedly connected with the afterbody of described lower cone roller.
6. under a kind of Ring Rolling Machine according to claim 4, the cone roller is exempted from the dismounting maintenance unit, it is characterized in that: described minor sprocket is fixedly connected with the power output shaft of described reductor, and the power shaft of described reductor is fixedly connected with by shaft coupling with the output shaft of described motor.
7. under a kind of Ring Rolling Machine according to claim 4, the cone roller is exempted from the dismounting maintenance unit, and it is characterized in that: described reductor is fixed on the reductor support, and described motor is fixed on motor cabinet.
8. under according to claim 4 kind of Ring Rolling Machine, the cone roller is exempted from the dismounting maintenance unit, and it is characterized in that: the rotating ratio of described reductor is 100.
9. under according to claim 4 kind of Ring Rolling Machine, the cone roller is exempted from the dismounting maintenance unit, and it is characterized in that: the rotating ratio of described minor sprocket, hinge wheel is 55:19.
10. under according to claim 4 kind of Ring Rolling Machine, the cone roller is exempted from the dismounting maintenance unit, it is characterized in that: on described motor, frequency converter is set, adjusts the rotary speed of lower cone roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310440468.8A CN103495832A (en) | 2013-09-25 | 2013-09-25 | Assembly-free and disassembly-free maintaining method and device for lower cone roller of ring rolling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310440468.8A CN103495832A (en) | 2013-09-25 | 2013-09-25 | Assembly-free and disassembly-free maintaining method and device for lower cone roller of ring rolling machine |
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| Publication Number | Publication Date |
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| CN103495832A true CN103495832A (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310440468.8A Pending CN103495832A (en) | 2013-09-25 | 2013-09-25 | Assembly-free and disassembly-free maintaining method and device for lower cone roller of ring rolling machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414969A (en) * | 2016-01-09 | 2016-03-23 | 山西双环重型机械有限公司 | Repair welding device for conical roll of ring rolling machine |
| CN117697430A (en) * | 2024-02-06 | 2024-03-15 | 山西双环重工集团有限公司 | Welding grinding repairing device for conical roller of ring rolling machine |
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| CN203566177U (en) * | 2013-09-25 | 2014-04-30 | 山东伊莱特重工有限公司 | Device for maintaining lower conical roller of ring rolling machine without demounting and mounting lower conical roller |
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2013
- 2013-09-25 CN CN201310440468.8A patent/CN103495832A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100005637A1 (en) * | 2006-01-06 | 2010-01-14 | United Technologies Corporation | Turbine Element Repair Fixture |
| CN101428384A (en) * | 2008-12-01 | 2009-05-13 | 山西省电力公司电力科学研究院 | Apparatus for repairing generator rotor shaft neck |
| CN101890610A (en) * | 2010-08-09 | 2010-11-24 | 中信重工机械股份有限公司 | Field repairing method of welding cracks of feeding slip-ring body of large-sized slide mill |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414969A (en) * | 2016-01-09 | 2016-03-23 | 山西双环重型机械有限公司 | Repair welding device for conical roll of ring rolling machine |
| CN117697430A (en) * | 2024-02-06 | 2024-03-15 | 山西双环重工集团有限公司 | Welding grinding repairing device for conical roller of ring rolling machine |
| CN117697430B (en) * | 2024-02-06 | 2024-04-26 | 山西双环重工集团有限公司 | Welding grinding repairing device for conical roller of ring rolling machine |
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Application publication date: 20140108 |